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Rad Gyms [Cobblemon]Minecraft mod for 1.21.1

Cobblemon roguelike gyms based on RCT Api

client and servernewest supported release 1.21.1AdventureMobsGame Mechanics
Latest version
1.8.3_0.5.2
Minecraft
1.21.1
Java
Java 21+
Loaders
Fabric, NeoForge
Licence
GPL-3.0-only
Downloads
1.0M
Updated
12 d ago
Available on
Modrinth
Space NodeOur hosting

Host Rad Gyms [Cobblemon] servers

One click and Rad Gyms [Cobblemon] is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Fabric
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version Rad Gyms [Cobblemon] declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, NeoForge21+declared8 Aug 2024

Download

From Rad Gyms [Cobblemon]’s own host. Nothing is re-hosted here.

Browse 34 indexed releases

For Minecraft 1.21.1

Choose the loader you use before downloading.

  • Fabric

    1.8.3_0.5.2 · 25 Oct 2026 · rad-gyms-fabric-0.5.2.jar

    Get Fabric

  • NeoForge

    1.8.1_0.5.0 · 17 Sept 2026 · rad-gyms-neoforge-0.5.0.jar

    Get NeoForge

Most recently published release

1.8.3_0.5.2release25 Oct 2026

rad-gyms-fabric-0.5.2.jar · 1.6 MB · for 1.21.1 · Fabric

Download this release
b11c799397d7…
Older versions24
  • 1.8.2_0.5.121 Oct 20261.21.11.6 MB13e068f25010…Get
  • 1.8.1_0.5.017 Sept 20261.21.11.6 MBc70f5735c591…Get
  • 1.7.3_0.4.425 Feb 20261.21.11.0 MB5.9k downloadsc553da197fff…Get
  • 1.7.3_0.4.320 Feb 20261.21.10.9 MB2.1k downloadsb543702f0192…Get
  • 1.7.3_0.4.218 Feb 20261.21.10.9 MB1.0k downloadsdc022a79182c…Get
  • 1.7.3_0.4.117 Feb 20261.21.10.9 MB213 downloads00440919731a…Get
  • 1.7.3_0.4.017 Feb 20261.21.10.9 MB348 downloads1e9e2fb3bf8b…Get
  • 1.7.0_0.3.1-stable7 Dec 20251.21.10.8 MB667.3k downloadsca3ec58e5f10…Get
  • 1.7.0_0.3.0-stable4 Dec 20251.21.10.8 MB4.0k downloads2187f8929fb7…Get
  • 1.7.0_0.3-beta125 Nov 20251.21.10.7 MB11.5k downloads62d11516d5f0…Get
  • 1.7.0_0.3-alpha122 Nov 20251.21.10.7 MB2.3k downloads5a9e8bd1325f…Get
  • 1.6.1_0.2-beta612 Nov 20251.21.10.7 MB2.3k downloads02fb898b79b8…Get
  • 1.6.1_0.2-beta55 Nov 20251.21.10.7 MB1.1k downloads36eb285d75fc…Get
  • 1.6.1_0.2-beta429 Oct 20251.21.10.7 MB1.2k downloadsd31d5935965c…Get
  • 1.6.1_0.2-beta319 Sept 20251.21.10.7 MB6.4k downloadsd28e1195438c…Get
  • 1.6.1_0.2-beta227 Aug 20251.21.10.7 MB5.0k downloadsc43d2515f49b…Get
  • 1.6.1_0.2-beta116 Aug 20251.21.10.7 MB2.4k downloads8a5fce1e95e8…Get
  • 1.6.1_0.2-alpha218 Jul 20251.21.10.7 MB9.0k downloads8c2119759f2a…Get
  • 1.6.1_0.2-alpha116 Jul 20251.21.10.6 MB526 downloadsf40adcda8b44…Get
  • 1.6.1_0.1.13-stable20 May 20251.21.10.3 MB16.7k downloadsc1c48a5870ae…Get
  • 1.6.1_0.1.12-stable20 Apr 20251.21.10.3 MB10.7k downloadsea5a20f17b14…Get
  • 1.6.1_0.1.11-stable5 Apr 20251.21.10.3 MB7.3k downloadscbafd1e56e83…Get
  • 1.6.1_0.1.10-stable23 Mar 20251.21.10.3 MB9.1k downloadsf24979b25e1c…Get
  • 1.6.1_0.1.9-stable28 Feb 20251.21.10.3 MB82.3k downloadse04167536b65…Get

Dependencies

What Rad Gyms [Cobblemon]declares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

Architectury APIRequired. An intermediary api aimed to ease developing multiplatform mods.CobblemonRequired. A Pokémon mod for Fabric and NeoForgeRadical Cobblemon Trainers APIRequired. Trainer management and battle API for Cobblemon.

Frequently asked

Does Rad Gyms [Cobblemon] work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Rad Gyms [Cobblemon] declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install Rad Gyms [Cobblemon] on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Rad Gyms [Cobblemon] support?

Fabric, NeoForge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Rad Gyms [Cobblemon]?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What does Rad Gyms [Cobblemon] need to run?

It declares Architectury API, Cobblemon and Radical Cobblemon Trainers API as required, so those have to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is Rad Gyms [Cobblemon] under?

GPL-3.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Rad Gyms [Cobblemon]?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Rad Gyms [Cobblemon] safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

Details from Modrinth, where the author last updated it on 25 Oct 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .